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run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array(1,2,3,4,5); //$g = $arr; foreach($arr as $key => $row) { echo key($arr), '=>', current($arr), "\r\n"; }
Output for 4.3.0 - 4.4.0, 4.4.2 - 5.2.3, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
0=>1 0=>1 0=>1 0=>1 0=>1
Output for 5.2.4 - 5.6.28
1=>2 1=>2 1=>2 1=>2 1=>2
Output for 4.4.1
1=>2 2=>3 3=>4 4=>5 =>